Zobrazeno 1 - 10
of 65
pro vyhledávání: '"Hyo-Jin Nam"'
Publikováno v:
Journal of Electrical Engineering and Technology. 6:119-122
A new high speed AFM probe has been proposed and fabricated. The probe is integrated with PZT actuated cantilever realized in bulk silicon wafer using heavily boron doped silicon as an etch stop layer. The cantilever thickness can be accurately contr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3207f46fd3a40609f40c72d0bcaeac32
https://doi.org/10.5370/jeet.2011.6.1.119
https://doi.org/10.5370/jeet.2011.6.1.119
Publikováno v:
Sensors and Actuators A: Physical. 158:306-312
This paper reports the design, fabrication and characterization of a large-stroke, piezoelectrically actuated linear motor with zero-power latching for portable electronics. The motor consists of a stator having a micromachined piezoelectric actuator
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::647aeaa74746a01c5bdbe44645a8abad
https://doi.org/10.1016/j.sna.2010.01.022
https://doi.org/10.1016/j.sna.2010.01.022
Autor:
Jin-Koog Shin, Won-Hyeog Jin, Hyo-Jin Nam, Hyunjoong Lee, Young Sik Kim, Suhwan Kim, Moongi Jeong, Jong-Kwan Woo
Publikováno v:
IEEE Transactions on Circuits and Systems II: Express Briefs. 57:691-695
Storage systems based on scanning probe microscopy incorporate an array of thermopiezoelectric cantilevers that require charge amplifiers with a wide frequency response but low power consumption. We use an improved frequency compensation method to en
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::621ee771721996937cfd71bb7c11a4c0
https://doi.org/10.1109/tcsii.2010.2056030
https://doi.org/10.1109/tcsii.2010.2056030
Publikováno v:
IEEE Transactions on Magnetics. 45:3695-3698
In this paper, two different track-follow controllers are proposed for read-only memory-type scanning probe microscopy-based data-storage systems: mode switching control and dual-rate master-slave control. The mode switching control has a simple stru
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::769b3f2cb95117f5f9c00c596fee1368
https://doi.org/10.1109/tmag.2009.2023072
https://doi.org/10.1109/tmag.2009.2023072
Publikováno v:
Integrated Ferroelectrics. 105:27-36
This paper reports on a new microspeaker actuated by a thin film PZT actuator for low voltage operation and low power consumption. The proposed microspeaker is implemented using microelectromechanical systems (MEMS) technology to reduce form factor a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9263ec725aecd8717bf401c80a2ab179
https://doi.org/10.1080/10584580903039372
https://doi.org/10.1080/10584580903039372
Autor:
Dong-Jun Choi, Young-Chang Joo, Yong-Hee Park, Hyo-Jin Nam, Jae-Hyoung Park, Hyouk Soo Kwon, Hee Chul Lee
Publikováno v:
Japanese Journal of Applied Physics. 47:6558-6562
The evaluation test of various thin film contact materials for reliable radio frequency (RF) microelectromechanical systems (MEMS) switches is presented. Given that two of the most important performance criteria of RF MEMS switches are a low contact
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::65159524999b57c86469df6b55c45799
https://doi.org/10.1143/jjap.47.6558
https://doi.org/10.1143/jjap.47.6558
Autor:
Sung-Soo Jang, Suk-Yong Jeong, Hyo-Jin Nam, Won-Hyeog Jin, Caroline Sunyong Lee, Il-Joo Cho, Sung-Geun Kim, Young-Sik Kim, Sung-Hoon Ahn
Publikováno v:
Sensors and Actuators A: Physical. 139:12-16
In this paper, a silicon micro cantilever integrated with heater was fabricated to optimize thermal time constant for reduce writing power. The thermal time constant of micro cantilever integrated with heater can be minimized by reducing the heater a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ec55bd52209908f4262f078e26018804
https://doi.org/10.1016/j.sna.2006.10.034
https://doi.org/10.1016/j.sna.2006.10.034
Autor:
Ki-Chang Song, Jong-Min Ha, Hyo-Jin Nam, Youngjoo Yee, Sun Ho Kim, Young-Chang Joo, Ki-Young Um, Sangcheon Kim, Jong-Uk Bu, Hyouk Kwon
Publikováno v:
Japanese Journal of Applied Physics. 46:5473-5477
A microelectromechanical systems (MEMS)-based, micro-optical fiber coupler to obtain a high power laser diode beam is integrated with a fiber rod lens and an array of SU-8 lenses, through each of which the laser beams emitted from the laser diodes ar
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2e982aa2683308ad000b7d3ecf60192d
https://doi.org/10.1143/jjap.46.5473
https://doi.org/10.1143/jjap.46.5473
Publikováno v:
Journal of Microelectromechanical Systems. 16:989-996
In this paper, we present the design, fabrication, and measurement results of a two-dimensional electromagnetic scanning micromirror actuated by radial magnetic field. The scanner is realized by combining a gimbaled single-crystal-silicon micromirror
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e4514fd0a584cb84e47a0c90e58a8c4a
https://doi.org/10.1109/jmems.2007.892897
https://doi.org/10.1109/jmems.2007.892897
Autor:
Caroline Sunyong Lee, Seung Woo Choi, Woo Beom Choi, Seong-Soo Jang, Young-Sik Kim, Il-Joo Cho, Hyo-Jin Nam, Won-Hyeog Jin, Jong-Uk Bu
Publikováno v:
Sensors and Actuators A: Physical. 134:329-333
In this paper, new silicon nitride cantilevers integrated with silicon heaters and piezoelectric sensors have been developed to obtain an improved uniformity of the initial bending and the mechanical stability of the cantilever array for thermo-piezo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a74ddbeeb09a850e7b32e3fcaedff314
https://doi.org/10.1016/j.sna.2006.05.030
https://doi.org/10.1016/j.sna.2006.05.030